Home / 352,623.80-528,827.70-115,911.80

Finding the Fourth Proportional to 352,623.80, 528,827.70 and 115,911.80

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Solution

The fourth proportional to 352,623.80, 528,827.70 and 115,911.80 is: 173,832.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,623.80 : 528,827.70 = 115,911.80 : x
  2. Step 2: Convert to fraction form
    352,623.80/528,827.70 = 115,911.80/x
  3. Step 3: Cross multiply
    352,623.80x = 528,827.70 × 115,911.80
  4. Step 4: Simplify right side
    352,623.80x = 61,297,370,596.86
  5. Step 5: Solve for x
    x = 61,297,370,596.86/352,623.80
  6. Step 6: Final answer
    x = 173,832.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.